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| author | Richard Henderson <richard.henderson@linaro.org> | 2018-01-25 11:45:28 +0000 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2018-01-25 11:45:28 +0000 |
| commit | b13708bbbdda54c7f7e28222b22453986c026391 (patch) | |
| tree | 4abce87de07e08619e658acc02085c052ef3453f /target/arm/translate.c | |
| parent | 1a66ac61af45af04688d1d15896737310e366c06 (diff) | |
| download | qemu-b13708bbbdda54c7f7e28222b22453986c026391.tar.gz | |
target/arm: Use pointers in neon zip/uzp helpers
Rather than passing regnos to the helpers, pass pointers to the
vector registers directly. This eliminates the need to pass in
the environment pointer and reduces the number of places that
directly access env->vfp.regs[].
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Message-id: 20180119045438.28582-4-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'target/arm/translate.c')
| -rw-r--r-- | target/arm/translate.c | 42 |
1 files changed, 22 insertions, 20 deletions
diff --git a/target/arm/translate.c b/target/arm/translate.c index 7b5db15861..6f02c56abb 100644 --- a/target/arm/translate.c +++ b/target/arm/translate.c @@ -4687,22 +4687,23 @@ static inline TCGv_i32 neon_get_scalar(int size, int reg) static int gen_neon_unzip(int rd, int rm, int size, int q) { - TCGv_i32 tmp, tmp2; + TCGv_ptr pd, pm; + if (!q && size == 2) { return 1; } - tmp = tcg_const_i32(rd); - tmp2 = tcg_const_i32(rm); + pd = vfp_reg_ptr(true, rd); + pm = vfp_reg_ptr(true, rm); if (q) { switch (size) { case 0: - gen_helper_neon_qunzip8(cpu_env, tmp, tmp2); + gen_helper_neon_qunzip8(pd, pm); break; case 1: - gen_helper_neon_qunzip16(cpu_env, tmp, tmp2); + gen_helper_neon_qunzip16(pd, pm); break; case 2: - gen_helper_neon_qunzip32(cpu_env, tmp, tmp2); + gen_helper_neon_qunzip32(pd, pm); break; default: abort(); @@ -4710,38 +4711,39 @@ static int gen_neon_unzip(int rd, int rm, int size, int q) } else { switch (size) { case 0: - gen_helper_neon_unzip8(cpu_env, tmp, tmp2); + gen_helper_neon_unzip8(pd, pm); break; case 1: - gen_helper_neon_unzip16(cpu_env, tmp, tmp2); + gen_helper_neon_unzip16(pd, pm); break; default: abort(); } } - tcg_temp_free_i32(tmp); - tcg_temp_free_i32(tmp2); + tcg_temp_free_ptr(pd); + tcg_temp_free_ptr(pm); return 0; } static int gen_neon_zip(int rd, int rm, int size, int q) { - TCGv_i32 tmp, tmp2; + TCGv_ptr pd, pm; + if (!q && size == 2) { return 1; } - tmp = tcg_const_i32(rd); - tmp2 = tcg_const_i32(rm); + pd = vfp_reg_ptr(true, rd); + pm = vfp_reg_ptr(true, rm); if (q) { switch (size) { case 0: - gen_helper_neon_qzip8(cpu_env, tmp, tmp2); + gen_helper_neon_qzip8(pd, pm); break; case 1: - gen_helper_neon_qzip16(cpu_env, tmp, tmp2); + gen_helper_neon_qzip16(pd, pm); break; case 2: - gen_helper_neon_qzip32(cpu_env, tmp, tmp2); + gen_helper_neon_qzip32(pd, pm); break; default: abort(); @@ -4749,17 +4751,17 @@ static int gen_neon_zip(int rd, int rm, int size, int q) } else { switch (size) { case 0: - gen_helper_neon_zip8(cpu_env, tmp, tmp2); + gen_helper_neon_zip8(pd, pm); break; case 1: - gen_helper_neon_zip16(cpu_env, tmp, tmp2); + gen_helper_neon_zip16(pd, pm); break; default: abort(); } } - tcg_temp_free_i32(tmp); - tcg_temp_free_i32(tmp2); + tcg_temp_free_ptr(pd); + tcg_temp_free_ptr(pm); return 0; } |